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This problem is caused(usually) due to faulty coolant in the CRTs. Over time the CRTs develop a defect known as fungus. This is not the usual biological fungus but rather the chemichal reaction between the surface of the CRT and the coolant liquid. This causes the set to overheat after its in operation for sometime. Have a tech replace the coolant in all 3 tubes and I am positive that it will resolve your problem.

This unit does not have bulbs it has tubes.What is happening is the coolant fluid in the picture tubes is contaminated with a fungus( blue and green).A repair shop should be able to fix this problem for about $250.I do not recomend fixing this problem youself,but when it is fixed this unit will look like new

Look into the top of the tube. Probably has fungus growth. Do a search. I posted that solution many times this week for that. Normally, focus don't go out on T.V's by themself. Either the tube is bad or has fungus or the screen control is bad.....but very rare will focus part fail...usually brightness/screen is at fault. Don't forget to check the green tube as well when looking. Take the back off and see if your head will fit. If not, a large mirror will do just fine. Put something on with writing displayed....easier to tell that way.

I don't have a pdf file for fungus in an akai, but you will need to remove the 2 tubes from the set, take off the cover for the reservoir and dump out the fluids and then fill them back up. you will then need to know how to do the convergence alignment after you put the tubes back in. This is a involved process, if you want to tackle this on your own let me know and we will see what we can do.

Here are some of the most common symptoms and example photos of a convergence problem

Screen looks 3D

Colors don't line up

One or more colors can't be adjusted when using the convergence menu.

Screen is bowed or warped.

Here is a quick test....

Using your original remote go-to the tv settings then goto the convergence section.

Try to adjust the red and then the blue convergence.

You should be able to move them up, down, left, and right.

If you can't move them in all directions your convergence chips are bad and should be replaced. This is a common problem.

Solution #1

You need to replace the convergence chips and convergence resistors. Check the site www.TvRepairKits.com. They have put together a kits for most models. If you don't see a kit for your set send them a quick note and they will put one together for you. Their kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, etc.

Problem #2 CRT Fluid is Cloudy

Projection TV tubes have a liquid coolant that is used to keep them from overheating. After many years the coolant in the blue and green tubes will become cloudy and cause the screen to look dull, red/orange, etc. You may even see halos around images.

Picture of a set that needs the fluid changed.

TV set after fluid change

Solution #2

What you will need to do is replace the coolant and clean the crt. You can get a repair kit from www.TvRepairKits.com that includes replacement coolant, photos. instructions, etc.

This actually prabably being caused by a fungus in the tubes. This model is knowen for fungus to grow in the tubes and cause a pink or red tint. If you are interested in reparing this yourself you will need to change the coolant in the tubes. I have a PDF file that will instruct you on how to complete this. If you have a repairman do this for you you will most likly pay $300-$400 to have this fixed.
Let me know what way you want to go.

The most common problem for this is a fungus in the coolant of the tubes. In order to fix this you will need to replace the fluid in the tubes. If you are wanting to tackle this yourself you will first need to take the back off and look down in the tubes, the red tube should look clear and the other two you will probably find look like there is some fungus inside them. If this is the case and you want to tackle it yourself, let me know and I will email you a PDF file on how to complete the job. A repair man should cost your somewhere around $300-$400 to fix it. If you look down in the tubes and they all look clear we may have a different problem, if thats the case let me know and we will troubleshoot further.